Apparatus for radio recording and reproduction



Oct. 13, 1931. E. H. HANSEN 1,

APPARATUS FOR RADIO RECORDING AND REPRODUCTION Filed June 14, 1928 2 Sheets-Sheet 1 Oct. 13, 1931. E. H. HANSEN 1,327,519

APPARATUS FOR RADIO RECORDING AND REPRODUCTION Fil ed June 14, 1928 2 Sheets-Sheet 2 RADIO AMPLIFIER IN V EN TOR.

20"reproduce the same.indefinitely; tozprovide mechanism, the viewbeingtaken substan 7 -L'25" for-the purposes stated in theforegoing: ,the line 5 of Figure 4;:

T any :u'nevenn'ess of: the 'ph nogr p turn patented Oct. 13,-

a I v EDMUND H; HANSEN; or NEW YOR 1\T. Y. 'nrranarus FOR-RADIO RECORDING AND nnrnonucriouf I f "T-jA ntationriee'mne n, 192s Serial 'No; 285,458. i This invention-f-i'has reference to the artof vide a. record-receiving plate of aluminum radio transmission and communication, and which -is;strong and durable and which will --particularly. relates to apparatus by m'eans indefinitely retain its record andwhich-recs of which a radio receiver and phonographic 0rd can be reproduced by the use ofstandard 5 instrument can be combined for electrically "fibern'eedles. v f i g], i

' recording andv subsequently reproducing any In order thatimy invention maybe clearly I part of a radio program, including vocal'and I understood, ale-have provided drawings instrumental'music, that may hedesired. wherein f I we Among the objects of my invention may-be 6: Figure 1 is a top plan,;view of-a phone noted the followi'ngz-To provide" means by igraphic" turntable having. my? attachment apwhichia "radio receiving set can. be made to plied thereto and showingarecord making or record itself,.'in permanentiforni; to provide cutting mechanism capable of being inserted means by. which a radio receiving. set' can be in the output circuitof; a radio amplifier, 'utilized for thepurp'oseof producing a' per Figure 2 is a jview of thesupporting1and lfzi' ymanent recordofits emanations,-Iwhich re-j attachingparts of'imy'invention, lookingat fia" cord can be reproduced indefinitely; to m the same from-theright-hand of Figure 1'; i I vide meansby whichn a radio receiving set Figure 3 isa viewsho'wingin side elevation scan be made'to produce a permanent'record ;the recording andreproducingj head g'and of itsoutputfin whole or in part, andthen 'sectionthe feed controlling device of my means for electrically reproducing any of the tially 2011 the line 3-3 of Figure 1; v 7 g I standard imakes ofdiskrecords,utilizing for Figure 4 is a vertical sectional view taken 'the purpose'theaudio amplifier of aradio set' on the line of Figure 1 a Y audits loud speaker; to provide amechanism, Figure 5-is a detail sectional view taken on a v whichis' adapted-tobequickly appliedtoa'ny, Figure .6 is aview. in side elevation ofthe' i type of phonograph by simple means topro socket applied to thespin'dleof the turntable vide amechanism, forthe purposes stated, the for driving the feeding device of my mechadesign and structure of which compensatefor nism; and 1 Y s 'i Figure/7 is a'view in side elevation show- I table,aand enable the mechanism, through the ing my recording means thrown back out of 7 m, f dj tm ts,' to be applied to0peration, and therecordidisk being utilized ti lly any type of phonographgto ro--f0r.repr0(lucti0i1 purposes, the cutting head i vide an apparatus, capableof'bringing a out gnow beingieutilized as reproducer and for 'the 'functions and usesnoted in the-fore-s the purpose inserted-in the input circuit'of going, which 'can be adapted to any type of the radio amplifier. I 7 7 V 1 audio frequency amplifier used inradiosets, 7, Referring to the drawings, the numeral 1 and which can be connectedeither in theplate indicates *the casing, or support of a usual circuitof thelast tubeor. across theterminals 5 type 0f.phon0graph, and 2 is theturntable @40- of the outputtransformer, if: one-is em-thereoflon'whichiis placed one of my disks,

'ployed; to provide a simple,ec0nomicaland, indicated at. 3, in which a record is being I v durable mechanism, in the form ofan atcut in Figures land-v4, and which-record is Jta'chment, which can be easily andquickly beingreproduced'throughtheradio ampliapplied to'a radio amplifier,.either on the out- :fier in Figure 7. Thenu'meral' l indicates 45 :put orinput side thereof, and'to a phonothe swivel supportv foriithe' arm 5 of the graphic reproducing apparatus, for the pur-- microphonic head or sound-box 6, in which a I poses of makingapermanent record, inlwho le either a 'reproducingqneedle or a cuttingi or in part; of the output of a'radio-receiving point 8wmay be held, as by the usual bindiig. set, and of reproducing such record, or parts screw '7. The. arm 5 of the sound-box, may Y '50 thereof, at will and indefinitely; and'to probegin circuit,.ithroughthe conductor 9, with 60 to support 1 by a screw 11 passing through a longitudinal centrally disposed slot 12, a washer being utilized, if desired, for obtaining a better grip upon the attaching plate. The elongated slot permits the plate to be adjusted variously to compensate for any size or form of phonograph. A plate 14 is hinged at to the plate 10 and has an elongated slot 26 therein through which is passed a binding screw 13, utilized with a washer,

if desired, for connecting adjustably thereto a plate 14 guided in ways l4 on the plate 14 for the purpose of maintaining the proper relation of the two plates.

has a screw-threaded feed-rod 15 mounted The plate 14 at one end to turn therein, the opposite end of which rod is journaled at in a supporting plate 39, held by a rivet 41 toa U-shaped bracket 40, in which is mounted a sleeve 34, through which passes a shaft 33 fixed to the sleeve 34 by the screw 38, and

to a tubular extension or coupling 32 by a screw 35, so that therotation of the extension 32 willrotate the shaft 33 and cause its pinion 42, at the upper end thereof, to mesh with the crown gear 43, to rotate the rod 15,"

to which rod the crown gear is connected by headed screw 44. "The lower end of the coupling 32 is provided with opposite parallel slots, through which extends a locking pin, the opposite ends of which are bent at 36 to overlap the circumference of the coupling,

leaving the locking pin capable of being.

shifted within the slots of said coupling without being displaced or lost. Details of.

this structure are shown in Figure 5; and Flgure 6 shows a resilient split socket adapted to fit tightly frictionally upon the pin 30 of the turntable which centers the records or disks. The socket is reduced at its outer end to provide the shoulder 31 on which the extreme end of the coupling 32 is adapted to rest. The reduced outer end of :5 the socket is provided with an elongated slot 37, into which the locking pin is entered, thus locking the socketand coupling 32 together, so that the rotation of the pin 30 "of the turntable will be imparted to thethreaded feed rod 15, as previously noted.-

By use of the screws 35 and 38, the shaft 33 can be shifted to compensate for varying elevations of turntables, etc., to which my mechanism is applied. In fact, the adjustment just described coupled with the adjustment of plate 14*, compensate for variations in the height or size of turntable or phonoraph.

b To strengthen the structure just described and hold the same rigidly while in operation, I provide two connecting brace rods 16 and 17, one at each side of the supporting plates 14 and 39, which are riveted to said plates and prevent them from twisting and the feed-rod from wabbling. Mounted on the brace-rod 17 is a sleeve 22 carrying at one end an angular member having a depending leg 21, which at its foot-end supports a resilient, curved connector 20 swivelly secured in place by means of a screw 27, and having at its free end an aperture adapted to receive the pin 28 .carriedby the head of the sound-boxt. The horizontal arm 21 'of the angular member has a groove in its bottom,

I through which the feed-rod 15 freely works;

has a groove inits outer end embracing the :brace. rod 16; and between the said rods has a cam. 24'with a handle for manipulating it. The sleeve22 has adjustably secured to it a spring 23, which extends under the rod 15 parallel with the arm 21 said spring, at its outer end, carrying atrack-block 23 having a threaded groove extending transversely thereof for the reception of the feed-rod 15. The spring 23 maintains the track-block 23 in engagement with the feed-rod 15, while the cam 24 may disconnect the parts, when desired, by acting upon and depressing the block, thus checking the feed movement of the-sleeve. With the connector 20 engaged .with pin 28, the cutting point 8 is caused to move radially relatively to the disk 3 mounted on the turntable, while the said disk is being rotated by said turntable. Thus, the record :cut in the disk 3 will have lateral undulations and will be in spiral form as usual; and it willibe seen, viewing Figure 7, that the record-making part of my apparatus may be thrown entirely out of action,

or the cutting action of the cutter 8 can be controlled so that during. the reception,

througha radio apparatus, of a given program, selected portions only thereof may be recorded; or, so that selected parts' of various programs can be successively recorded, as desired.

From the foregoing it will be seen that by plugging into the output circuit of the radio amplifier and utilizing the cutting point'on the sound-box of a phonograph, and throwing myfeeding mechanism into cooperative and driving relation with the turntable of the phonograph, I can record in disk 3, through connection 20-21, any radio program or portions thereof desired. After making a record, the latter can be reproduced bymerely throwing back my feeding mechanism on its hinge 25, as shown in Figure 7, which will release the sound-box from the connecting member 20, and then substituting selves very nicely to the cutting of a record and that the latter'can be reproduced therec from with approximately original clearness and accuracy. The hard surface makes adurable trackan'd' adds to the life of the record. Thus, I am able to utilize both a radio apparatus and a phonographic apparatus for the additional purposes of cutting or making a a record from the radio apparatus on the phonographic apparatus, and utilizing the V latter andthe radio apparatus for reproduc ing such record. These functions have never, to my knowledge, been accomplished before,

and upon them I desire to lay'great stress.

An important feature of my invention is that it is an attachment and is adapted to any form'of' phonograph and any form of'radio gagement with thefeed shaft, substantially as described. .3. In combination with a radio receiving set and a phonograph, means between the two for cutting a record of the radio output and for reproducing the record through the radio set, said means including a carriage, a feed screw journale'd in the carriage, a resilientf socket engaging the record-receiving pm of 4 the phonographic turntable, a universal connection betweenthe feed screw and the phonographic sound box, and means connecting the latter with the radio amplifier.

EDMUNDVH. HANSEN.

' receiving set A in ggpshould becadded to .1

the sound-box. or a sound-box with a pin provided. A special cutter, for record-making purposes, is substituted for the reproduce ing needle. My feeding mechanism is adjusted so as to create the requisite amount of pressure upon the sound-box; vertical play between the sound-box and the connector 20 must be avoided. The feed of the sound-box is positive,.sov that both the spiral track and its lateral undulations are accurately made.

The axis 4 about which the sound-box swings is eccentric to the axis of the turntable and of the disk 3, requiring the swivel connection 27 for the connector 20. The-split socket of Figure 6 has the additional function of a clamp for the disk 3, to prevent it from slipping during the action of cutting the record.

Having thus described my invention, what I claim and desire to secure by Letters Patent is: 1. In combination with. a radio receiving set and a phonograph, means between the two for cutting a record of the radio output and for reproducing the record through the radio set, said means including a supporting bracket, a'feed screw mounted therein, a re- I movable coupling to the record-receiving pin of the phonographic turntable, a flexible connection from the feed screw to the phonographic sound box, and means connecting the latter with the radio amplifier.

I 2. An attachment, for the purposes stated,

comprising supporting-brackets, a feed shaft journaled in said brackets, coupling means to engage the record receivingpin of a phono-' graph including means for driving said shaft,

a flexible coupling for engagement with the- I sound-box of a phonograph including a sliding sleeve and detachable feed-block for en, 7 

